50 AUSTRALIAN TABAXID.3S, IV.. 



tomentum grey, brownish round the apical extremity of the 

 frontal callus, pubescence black, fairly long on vertex, frontal 

 • alius dark reddish-brown, resting on subcallus, as wide as front, 

 almost square with a stout lineal extension reaching beyond the 

 centre of front; palpi pale reddish-yellow, ending in a blunt 

 point, pubescence black, with numerous, fairly long, pale hairs 

 on basal portion; antennae reddish-yellow, darker than palpi, 

 annuli appearing dusky, pubescence on first two joints black, 

 with a few pale hairs beneath, base of third broad, no angle or 

 tooth; beard grey. 



Thorax black, sides reddish, tomentum grey, with three choco- 

 late-brown stripes, pubescence black, with intermixed grey hairs 

 especially noticeable on the posterior half, mainly black laterally 

 and fairly long; scutellum black, with mixed black and pale 

 pubescence; pleurae black, reddish beneath wing-roots, tomentum 

 and pubescence grey. 



Abdomen: first segment dusky, next three reddish-brown, re- 

 mainder darker, segmentations grey, fairly broad on first four 

 segments, with median, grey, triangular spots forming a con- 

 tinuous stripe on segments two to six, pubescence black, pale on 

 posterior borders; venter reddish-yellow, apex darker, pubescence 

 pale. 



Legs: coxae and forelegs black, coxae and femora with grey 

 tomentum and long grey pubescence, black elsewhere, very dense 

 on tarsi, basal two-thirds of fore-tibiae dark yellowish-brown, 

 wiih a few pale hairs; mid- and hindlegs yellowish-brown, femora 

 dusky, tomentum grey. 



Wings clear; veins brown; stigma yellow; a short appendix 

 present. 



Hab.-Q.: Eidsvold (Dr. T. L. Bancroft). 



This species appears to be most nearly related to T. lalictdlusiis 

 Kicardo, but is readily differentiated from it. It bears a super- 

 ficial resemblance to T. circumdatns Walker, of Group xi. 



Tabanus obscukilineatus, sp.n. 

 (Plate i., fig. 3). 

 £. Length, 11*5; width of head, 4 - 5; length of wing, 10 mm. 

 Head : face and cheeks with grey tomentum and white pubes- 



